Abdominal wall

Question 1

What makes up the rectus sheath?

Answer 1

the aponeuroses of the internal and external obliques and the transversus abdominis

Question 2

What are the first 3 layers of the abdominal wall?

Answer 2

skin, subcutaneous fat and fascia

Question 3

Name the 3 deep layers of the abdominal wall

Answer 3

tranversalis fascia, extraperitoneal fat and parietal peritoneum

Question 4

What is the inguinal ligament made of?

Answer 4

the inferior border of the external oblique aponeurosis

Question 5

Name the 3 layers of muscle on the side of the abdomen

Answer 5

external oblique, internal oblique and transersus abdominis

Question 6

At what level does the rectus sheath change and what changes?

Answer 6

below the arcuate line (just below belly button)
aponeurosis of internal oblique does not split and the aponeurosis of the transersus abdominis goes above the rectus abdominis

Question 7

What is the linea alba

Answer 7

anterior and posterior layers of the rectus sheath join medially